TM 10-6640-238-13 5-32 5-16.    ELECTRIC STEAM BOILER. This task consists of: a.    Remove b.   Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Materials/Parts Required Teflon Tape, (Appendix E, Section II, Item 157) Personnel Required Two (2) Equipment Conditions Boiler Low Water Cutoff Pump Control Removed (Paragraph 5-14) Boiler Low Water Pump Removed (Paragraph 5-15) General Safety Instructions WARNING ELECTRICAL SHOCK Before performing any  maintenance actions on electrical equipment, ensure  all electrical power has been turned off.  Failure to comply with this warning may result in serious injury or death. REMOVE Remove Electric Steam Boiler.  See Figure 5-12. WARNING To prevent injury to personnel, be sure electric steam boiler has had time to cool before   performing   any   maintenance.      Steam   temperature   as   high   as   600F (279.9C) can be obtained in this unit. a. Open boiler access door (1).  Tag and disconnect power input electrical wiring and conduit (2). b. Disconnect two pipe unions (3) located on top of boiler (4). c. Disconnect pipe union (5) at drain valve (6). d. Remove four bolts (7), lockwashers (8), and washers (9). WARNING To  prevent  injury,  two  personnel  are  required  to  remove  electric  steam  boiler. Boiler is very heavy. e. Remove electric steam boiler (4) from mechanical room. f. Remove drain valve (6), safety valve (10), and pipe fittings from electric steam boiler (4).  Save components for installation. g. Remove junction boxes, conduit, and external wiring from back of boiler.  Save components for installation.